mirror of
				https://github.com/rust-lang/rust.git
				synced 2025-10-31 04:57:19 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			130 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
| //@ only-x86_64
 | |
| use std::sync::atomic::{AtomicU16, AtomicU32, AtomicU64, AtomicU8, AtomicUsize, Ordering};
 | |
| 
 | |
| fn main() {
 | |
|     // `AtomicU8` test cases
 | |
|     let x = AtomicU8::new(0);
 | |
| 
 | |
|     // Allowed load ordering modes
 | |
|     let _ = x.load(Ordering::Acquire);
 | |
|     let _ = x.load(Ordering::SeqCst);
 | |
|     let _ = x.load(Ordering::Relaxed);
 | |
| 
 | |
|     // Allowed store ordering modes
 | |
|     x.store(1, Ordering::Release);
 | |
|     x.store(1, Ordering::SeqCst);
 | |
|     x.store(1, Ordering::Relaxed);
 | |
| 
 | |
|     // Disallowed load ordering modes
 | |
|     let _ = x.load(Ordering::Release);
 | |
|     //~^ ERROR atomic loads cannot have `Release` or `AcqRel` ordering
 | |
|     let _ = x.load(Ordering::AcqRel);
 | |
|     //~^ ERROR atomic loads cannot have `Release` or `AcqRel` ordering
 | |
| 
 | |
|     // Disallowed store ordering modes
 | |
|     x.store(1, Ordering::Acquire);
 | |
|     //~^ ERROR atomic stores cannot have `Acquire` or `AcqRel` ordering
 | |
|     x.store(1, Ordering::AcqRel);
 | |
|     //~^ ERROR atomic stores cannot have `Acquire` or `AcqRel` ordering
 | |
| 
 | |
|     // `AtomicU16` test cases
 | |
|     let x = AtomicU16::new(0);
 | |
| 
 | |
|     // Allowed load ordering modes
 | |
|     let _ = x.load(Ordering::Acquire);
 | |
|     let _ = x.load(Ordering::SeqCst);
 | |
|     let _ = x.load(Ordering::Relaxed);
 | |
| 
 | |
|     // Allowed store ordering modes
 | |
|     x.store(1, Ordering::Release);
 | |
|     x.store(1, Ordering::SeqCst);
 | |
|     x.store(1, Ordering::Relaxed);
 | |
| 
 | |
|     // Disallowed load ordering modes
 | |
|     let _ = x.load(Ordering::Release);
 | |
|     //~^ ERROR atomic loads cannot have `Release` or `AcqRel` ordering
 | |
|     let _ = x.load(Ordering::AcqRel);
 | |
|     //~^ ERROR atomic loads cannot have `Release` or `AcqRel` ordering
 | |
| 
 | |
|     // Disallowed store ordering modes
 | |
|     x.store(1, Ordering::Acquire);
 | |
|     //~^ ERROR atomic stores cannot have `Acquire` or `AcqRel` ordering
 | |
|     x.store(1, Ordering::AcqRel);
 | |
|     //~^ ERROR atomic stores cannot have `Acquire` or `AcqRel` ordering
 | |
| 
 | |
|     // `AtomicU32` test cases
 | |
|     let x = AtomicU32::new(0);
 | |
| 
 | |
|     // Allowed load ordering modes
 | |
|     let _ = x.load(Ordering::Acquire);
 | |
|     let _ = x.load(Ordering::SeqCst);
 | |
|     let _ = x.load(Ordering::Relaxed);
 | |
| 
 | |
|     // Allowed store ordering modes
 | |
|     x.store(1, Ordering::Release);
 | |
|     x.store(1, Ordering::SeqCst);
 | |
|     x.store(1, Ordering::Relaxed);
 | |
| 
 | |
|     // Disallowed load ordering modes
 | |
|     let _ = x.load(Ordering::Release);
 | |
|     //~^ ERROR atomic loads cannot have `Release` or `AcqRel` ordering
 | |
|     let _ = x.load(Ordering::AcqRel);
 | |
|     //~^ ERROR atomic loads cannot have `Release` or `AcqRel` ordering
 | |
| 
 | |
|     // Disallowed store ordering modes
 | |
|     x.store(1, Ordering::Acquire);
 | |
|     //~^ ERROR atomic stores cannot have `Acquire` or `AcqRel` ordering
 | |
|     x.store(1, Ordering::AcqRel);
 | |
|     //~^ ERROR atomic stores cannot have `Acquire` or `AcqRel` ordering
 | |
| 
 | |
|     // `AtomicU64` test cases
 | |
|     let x = AtomicU64::new(0);
 | |
| 
 | |
|     // Allowed load ordering modes
 | |
|     let _ = x.load(Ordering::Acquire);
 | |
|     let _ = x.load(Ordering::SeqCst);
 | |
|     let _ = x.load(Ordering::Relaxed);
 | |
| 
 | |
|     // Allowed store ordering modes
 | |
|     x.store(1, Ordering::Release);
 | |
|     x.store(1, Ordering::SeqCst);
 | |
|     x.store(1, Ordering::Relaxed);
 | |
| 
 | |
|     // Disallowed load ordering modes
 | |
|     let _ = x.load(Ordering::Release);
 | |
|     //~^ ERROR atomic loads cannot have `Release` or `AcqRel` ordering
 | |
|     let _ = x.load(Ordering::AcqRel);
 | |
|     //~^ ERROR atomic loads cannot have `Release` or `AcqRel` ordering
 | |
| 
 | |
|     // Disallowed store ordering modes
 | |
|     x.store(1, Ordering::Acquire);
 | |
|     //~^ ERROR atomic stores cannot have `Acquire` or `AcqRel` ordering
 | |
|     x.store(1, Ordering::AcqRel);
 | |
|     //~^ ERROR atomic stores cannot have `Acquire` or `AcqRel` ordering
 | |
| 
 | |
|     // `AtomicUsize` test cases
 | |
|     let x = AtomicUsize::new(0);
 | |
| 
 | |
|     // Allowed load ordering modes
 | |
|     let _ = x.load(Ordering::Acquire);
 | |
|     let _ = x.load(Ordering::SeqCst);
 | |
|     let _ = x.load(Ordering::Relaxed);
 | |
| 
 | |
|     // Allowed store ordering modes
 | |
|     x.store(1, Ordering::Release);
 | |
|     x.store(1, Ordering::SeqCst);
 | |
|     x.store(1, Ordering::Relaxed);
 | |
| 
 | |
|     // Disallowed load ordering modes
 | |
|     let _ = x.load(Ordering::Release);
 | |
|     //~^ ERROR atomic loads cannot have `Release` or `AcqRel` ordering
 | |
|     let _ = x.load(Ordering::AcqRel);
 | |
|     //~^ ERROR atomic loads cannot have `Release` or `AcqRel` ordering
 | |
| 
 | |
|     // Disallowed store ordering modes
 | |
|     x.store(1, Ordering::Acquire);
 | |
|     //~^ ERROR atomic stores cannot have `Acquire` or `AcqRel` ordering
 | |
|     x.store(1, Ordering::AcqRel);
 | |
|     //~^ ERROR atomic stores cannot have `Acquire` or `AcqRel` ordering
 | |
| }
 | 
